Annotation of src/usr.bin/aucat/dev.h, Revision 1.31
1.31 ! ratchov 1: /* $OpenBSD: dev.h,v 1.30 2011/10/12 07:20:04 ratchov Exp $ */
1.1 ratchov 2: /*
3: * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #ifndef DEV_H
18: #define DEV_H
19:
1.27 ratchov 20: #include "aparams.h"
21:
1.2 ratchov 22: struct aproc;
23: struct abuf;
1.1 ratchov 24:
1.24 ratchov 25: struct dev {
26: struct dev *next;
27:
28: /*
29: * desired parameters
30: */
31: unsigned reqmode; /* mode */
32: struct aparams reqipar, reqopar; /* parameters */
33: unsigned reqbufsz; /* buffer size */
34: unsigned reqround; /* block size */
35: unsigned reqrate; /* sample rate */
36: unsigned hold; /* hold the device open ? */
1.28 ratchov 37: unsigned autovol; /* auto adjust playvol ? */
1.30 ratchov 38: unsigned autostart; /* don't wait for MMC start */
1.24 ratchov 39: unsigned refcnt; /* number of openers */
1.31 ! ratchov 40: #define DEV_NMAX 16 /* max number of devices */
! 41: unsigned num; /* serial number */
1.24 ratchov 42: #define DEV_CLOSED 0 /* closed */
43: #define DEV_INIT 1 /* stopped */
44: #define DEV_START 2 /* ready to start */
45: #define DEV_RUN 3 /* started */
46: unsigned pstate; /* on of DEV_xxx */
47: char *path; /* sio path */
48:
49: /*
50: * actual parameters and runtime state (i.e. once opened)
51: */
52: unsigned mode; /* bitmap of MODE_xxx */
53: unsigned bufsz, round, rate;
54: struct aparams ipar, opar;
55: struct aproc *mix, *sub, *submon;
56: struct aproc *rec, *play, *mon;
57: struct aproc *midi;
1.29 ratchov 58: struct devctl {
59: struct devctl *next;
60: unsigned mode;
61: char *path;
62: } *ctl_list;
1.24 ratchov 63: };
64:
65: extern struct dev *dev_list;
66:
1.31 ! ratchov 67: void dev_dbg(struct dev *);
1.30 ratchov 68: int dev_init(struct dev *);
1.24 ratchov 69: int dev_run(struct dev *);
70: int dev_ref(struct dev *);
71: void dev_unref(struct dev *);
72: void dev_del(struct dev *);
73: void dev_wakeup(struct dev *);
1.26 ratchov 74: void dev_drain(struct dev *);
1.30 ratchov 75: struct dev *dev_new(char *, unsigned, unsigned, unsigned, unsigned, unsigned);
76: void dev_adjpar(struct dev *, unsigned, struct aparams *, struct aparams *);
1.29 ratchov 77: int devctl_add(struct dev *, char *, unsigned);
1.24 ratchov 78: void dev_midiattach(struct dev *, struct abuf *, struct abuf *);
79: unsigned dev_roundof(struct dev *, unsigned);
80: int dev_getpos(struct dev *);
81: void dev_attach(struct dev *, char *, unsigned,
1.21 ratchov 82: struct abuf *, struct aparams *, unsigned,
83: struct abuf *, struct aparams *, unsigned,
84: unsigned, int);
1.24 ratchov 85: void dev_setvol(struct dev *, struct abuf *, int);
1.1 ratchov 86:
87: #endif /* !define(DEV_H) */